LCD Color Monitor 15.0 (38.1cm) LCD Panel Size User's Manual
LCD PANEL LM240WU3-TLA1
description
Transcript of LCD PANEL LM240WU3-TLA1
Product Specification
1 / 29
LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
SPECIFICATIONFOR
APPROVAL
( ) Preliminary Specification( ● ) Final Specification
24” WUXGA TFT LCDTitle
MODEL
BUYER
LM240WU3*MODEL
TLA1SUFFIX
LG.Philips LCD Co., Ltd.SUPPLIER
*When you obtain standard approval,
please use the above model name without suffix
HP
Please return 1 copy for your confirmation with
your signature and comments.
/
/
/
SIGNATURE DATEAPPROVED BY
MNT Products Engineering Dept.LG. Philips LCD Co., Ltd
S.H.Han / Engineerr
PREPARED BY
D.I. Chung / Manager
REVIEWED BY
S.G Hong / G.Manager
SIGNATURE DATEAPPROVED BY
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
Contents
15
9INTERFACE CONNECTIONS3-2
COLOR INPUT DATA REFERNECE3-5
27DESIGNATION OF LOT MARK8-1
27PACKING FORM8-2
27PACKING8
29PRECAUTIONS9
26EMC7-2
1COVER
2CONTENTS
3RECORD OF REVISIONS
4GENERAL DESCRIPTION1
5ABSOLUTE MAXIMUM RATINGS2
6ELECTRICAL SPECIFICATIONS3
7ELECTRICAL CHARACTREISTICS3-1
13SIGNAL TIMING SPECIFICATIONS3-3
14SIGNAL TIMING WAVEFORMS3-4
16POWER SEQUENCE3-6
18OPTICAL SFECIFICATIONS4
22MECHANICAL CHARACTERISTICS5
25RELIABLITY6
26INTERNATIONAL STANDARDS7
26SAFETY7-1
PageITEMNo
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
RECORD OF REVISIONS
Change the OPTICAL CHARACTERISTICS ( Color Gamut. etc) .18Apr. 27. 20070.6
Updated the Mechanical Characteristics ( move the Label )23, 24Apr. 15. 20070.5
Update the General Features ( Weight : 2680g à 2580g )4
Final Specifications-May. 02. 20071.0
Change the Lamp Electrical Characteristic7Apr. 05. 20070.4
Change Black light Lamp Connector :12
Update the Packing forrm27
Update the Mechanic drawing ( Correction of an Error in writing)23May. 18. 20071.1
Update the Mechanical characteristic ( 2680g à 2580g )22
Updated the OPTICAL CHARACTERISTICS (Color Coordinates )18
Update the Mechanic drawing23/24
Updated the Timing Table (DCLK: 144~162MHz, Vsync: 57~63Hz etc)13
Update the ELECTRICAL CHARACTERISTICS6
Update the General Features ( Power Consumption : 4.55W)4
8bità6bit +A_FRC4Mar. 06. 20070.3
1006-12102 (Maker, C-net) → 20015HS-04L (Maker, Yeon Ho)
Change Lamp Life Time : Min 30,000Hrs → Min 40,000Hrs7Jan. 16. 20070.2
Change Timing specification13Dec. 07. 20060.1
First Draft(Preliminary)-Nov. 27. 20060.0
DescriptionPageRevision DateRevision No
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
1. General Description
General Features
View Angle Free (R/L 160(Typ.), U/D 160(Typ.))Viewing Angle(CR>10)
0.270 mm x 0.270 mmPixel Pitch
16,777,216 colorsColor Depth
1920 horiz. By 1200 vert. Pixels RGB stripes arrangementPixel Format
400 cd/m2 (Center 1 point)Luminance, White
Total 67.55 Watt (Typ.) ( 4.55 Watt @VLCD, 63Watt @[Lamp=6.0mA])Power Consumption
2580 g(typ.)Weight
Transmissive mode, normally whiteDisplay Operating Mode
Hard coating(3H), Glare treatment of the front polarizerSurface Treatment
546.4(H) x 352.0(V) x 35.8(D) mm(Typ.) * without inverterOutline Dimension
24.06 inches(61.13cm) diagonalActive Screen Size
LM240WU3 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode FluorescentLamp(CCFL) backlight system without inverter. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally black mode. It has a 24.06 inch diagonally measured active display area with WUXGA resolution (1200 vertical by 1920 horizontal pixel array)Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot,thus, presenting a palette of more than 16,7M(True) colors. It has been designed to apply the 6Bit+A_FRC 2 port LVDS interface. It is intended to support displays where high brightness, super wide viewing angle,high color saturation, and high color are important.
TFT-LCD Panel(1920 × 1200 pixels)
Source Driver CircuitTiming Control
Block
Power Circuit Block
CN1(30pin)
RGB, Dclk, DEHsync, Vsync(LVDS 2 port)
VLCD(+5V)
G1200
G1
S1920S1
Gate D
river circuit
Back light Assembly(Direct Light Type_U-
Shape_6CCFL)2pin x6CNs (High)VLamp
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Note : 1. Temperature and relative humidity range are shown in the figure below. Wet bulb temperature should be 39 °C Max, and no condensation of water.
Table 1. ABSOLUTE MAXIMUM RATINGS
Units
%RH9010HOPOperating Ambient Humidity
%RH9010HSTStorage Humidity
°C60-20TSTStorage Temperature1
°C500TOPOperating Temperature
at 25 ± 2°CVdc+5.5-0.3VLCDPower Input Voltage
MaxMinParameter Notes
ValuesSymbol
90%
10 20 30 40 50 60 70 800-20
0
10
20
30
40
50
Dry Bulb Temperature [C]
Wet BulbTemperature [C]
Storage
Operation
Humid
ity
[(
%)R
H]
10%
40%
60%
60
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
3. Electrical Specifications
3-1. Electrical Characteristics
Table 2-1. ELECTRICAL CHARACTERISTICS
mVp-p200VdRFPermissive Power Input Ripple
1mA1050910770
1Watt5.254.55-PLCDPower Consumption
3A3.0--IRUSHRush current
Vdc5.55.04.5VLCDPower Supply Input Voltage
2mA146512701075ILCDPower Supply Input Current
MODULE :
Parameter SymbolMaxTypMin
NotesUnitValues
It requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and liquid crystal. The second input power for the CCFL, is typically generated by an inverter. The inverter is an external unit to the LCDs.
Mosaic Pattern(8 x 6)
White : 255GrayBlack : 0Gray Maximum current pattern
Black Pattern
Note : 1. The specified current and power consumption are under the VLCD=5.0V, 25 ± 2°C,fV=60Hz condition
whereas mosaic pattern(8 x 6) is displayed and fV is the frame frequency.2. The current is specified at the maximum current pattern.3. The duration of rush current is about 2ms and rising time of power Input is 500us ± 20%.(min.).
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LM240WU3Liquid Crystal Display
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Table 2_2. ELECTRICAL CHARACTERISTICS
Note : The design of the inverter must have specifications for the lamp in LCD Assembly.The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced bythe characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefullydesigned so as not to produce too much leakage current from high-voltage output of the inverter.When you design or order the inverter, please make sure unwanted lighting caused by the mismatchof the lamp and the inverter (no lighting, flicker, etc) never occurs. When you confirm it, the LCD–Assembly should be operated in the same condition as installed in you instrument.
※ Do not attach a conducting tape to lamp connecting wire.If the lamp wire attach to a conducting tape, TFT-LCD Module has a low luminance and the inverterhas abnormal action. Because leakage current is occurred between lamp wire and conducting tape.
1. Specified values are for a single lamp.2. Operating voltage is measured at 25 ± 2°C. The variance of the voltage is ± 10%.3. The voltage above VS should be applied to the lamps for more than 1 second for start-up.
(Inverter open voltage must be more than lamp starting voltage.)Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.
4. Lamp frequency may produce interface with horizontal synchronous frequency and as a result this maycause beat on the display. Therefore lamp frequency shall be as away possible from the horizontal synchronous frequency and from its harmonics in order to prevent interference.
5. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.TS is the time required for the brightness of the center of the lamp to be not less than 95%.
6. The lamp power consumption shown above does not include loss of external inverter.The used lamp current is the lamp typical current. (PBL = VBL x IBL x NLamp )
7. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial value at the typical lamp current on condition of continuous operating at 25 ± 2°C.
6Watt74.46335.1PBLPower Consumption
1, 5Min3.0TsDischarge Stabilization Time
at 0 °C
at 25 °C
VRMS2900--
4kHz804840fBLOperating Frequency
1, 3VsEstablished Starting Voltage
VRMS2600--
1, 2VRMS1950(3.0mA)1750(6.0mA)1550(8.0mA)VBLOperating Voltage
1mARMS8.06.03.0IBLOperating Current
LAMP :
1, 7Hrs40,000Life Time
Parameter SymbolMaxTypMin
NotesUnitValues
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LM240WU3Liquid Crystal Display
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I p
I -p
* Asymmetry rate:
| I p – I –p | / Irms x 100%
* Distortion rate
I p (or I –p) / Irms
8. The output of the inverter must have symmetrical(negative and positive) voltage waveform andsymmetrical current waveform (Unsymmetrical ratio is less than 10%). Please do not use the inverterwhich has unsymmetrical voltage and unsymmetrical current and spike wave.Requirements for a system inverter design, which is intended to have a better display performance, a better power efficiency and a more reliable lamp, are following. It shall help increase the lamp lifetime and reduce leakage current.
a. The asymmetry rate of the inverter waveform should be less than 10%. b. The distortion rate of the waveform should be within √2 ±10%.
* Inverter output waveform had better be more similar to ideal sine wave.
9. The inverter which is combined with this LCM, is highly recommended to connect coupling(ballast) condenser at the high voltage output side. When you use the inverter which has not coupling(ballast) condenser, it may cause abnormal lamp lighting because of biased mercury as time goes.
10.In case of edgy type back light with over 4 parallel lamps, input current and voltage wave form should be synchronized
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
3-2. Interface Connections
Table 3 MODULE CONNECTOR(CN1) PIN CONFIGURATION
- LCD Connector(CN1): KDF71G-30S-1H, (Manufactured by Hirose ) or GT103-30S-H23 (Manufactured by LS Cable )
- Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent
123456789101112131415161718192021222324252627282930
Pin No Symbol Description
FR0MFR0PFR1MFR1PFR2MFR2PGNDFCLKINMFCLKINPFR3MFR3PSR0MSR0PGNDSR1MSR1PGNDSR2MSR2PSCLKINMSCLKINPSR3MSR3PGNDNCNCPWM_OUTVLCD
VLCD
VLCD
Minus signal of odd channel 0 (LVDS)Plus signal of odd channel 0 (LVDS)Minus signal of odd channel 1 (LVDS)Plus signal of odd channel 1 (LVDS)Minus signal of odd channel 2 (LVDS)Plus signal of odd channel 2 (LVDS)GroundMinus signal of odd clock channel (LVDS)Plus signal of odd clock channel (LVDS)Minus signal of odd channel 3 (LVDS)Plus signal of odd channel 3 (LVDS)Minus signal of even channel 0 (LVDS)Plus signal of even channel 0 (LVDS)GroundMinus signal of even channel 1 (LVDS)Plus signal of even channel 1 (LVDS)GroundMinus signal of even channel 2 (LVDS)Plus signal of even channel 2 (LVDS)Minus signal of even clock channel (LVDS)Plus signal of even clock channel (LVDS)Minus signal of even channel 3 (LVDS)Plus signal of even channel 3 (LVDS)GroundNo Connection (I2C Serial interface for P-VCOM)No Connection (I2C Serial interface for P-VCOM)PWM_OUT signal for control burst frequency of InverterPower Supply +5.0VPower Supply +5.0VPower Supply +5.0V
Second data
First data
Note: 1. NC: No Connection. 2. All GND(ground) pins should be connected together and to Vss which should also be connected to
the LCD’s metal frame. 3. All VLCD (power input) pins should be connected together.4. Input Level of LVDS signal is based on the IEA 664 Standard.5. PWM_OUT signal is synchronized with vertical frequency.
It’s frequency is 3 times of vertical frequency, and it’s duty ratio is 50%.If you don’t use this pin, it is no connection.
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LM240WU3Liquid Crystal Display
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#1 #30
#1 #30
Rear view of LCM
KDF71G-30S-1H / GT103-30S-H23
User Connector Diagram
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LM240WU3Liquid Crystal Display
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Table 4. REQUIRED SIGNAL ASSIGNMENT FOR Flat Link (TI:SN75LVDS83) Transmitter
Notes : Refer to LVDS Transmitter Data Sheet for detail descriptions.
Pin # Require SignalPin Name Pin # Require SignalPin Name
1 Power Supply for TTL InputVCC 29 Ground pin for TTLGND
2 TTL Input (R7)D5 30 TTL Input (DE)D26
3 TTL Input (R5)D6 31 TTL Level clock InputTX CLKIN
4 TTL Input (G0)D7 32 Power Down InputPWR DWN
5 Ground pin for TTLGND 33 Ground pin for PLLPLL GND
6 TTL Input (G1)D8 34 Power Supply for PLLPLL VCC
7 TTL Input (G2)D9 35 Ground pin for PLLPLL GND
8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND
9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3TxOUT3+
10 TTL Input (G7)D11 38 Negative LVDS differential data output 3TxOUT3-
11 TTL Input (G3)D12 39 Positive LVDS differential clock outputTX CLKOUT+
12 TTL Input (G4)D13 40 Negative LVDS differential clock outputTX CLKOUT-
13 Ground pin for TTLGND 41 Positive LVDS differential data output 2TX OUT2+
14 TTL Input (G5)D14 42 Negative LVDS differential data output 2TX OUT2-
15 TTL Input (B0)D15 43 Ground pin for LVDSLVDS GND
16 TTL Input (B6)D16 44 Power Supply for LVDSLVDS VCC
17 Power Supply for TTL InputVCC 45 Positive LVDS differential data output 1TX OUT1+
46 Negative LVDS differential data output 1TX OUT1-18 TTL Input (B7)D17
47 Positive LVDS differential data output 0TX OUT0+
48 Negative LVDS differential data output 0TX OUT0-
19 TTL Input (B1)D18
20 TTL Input (B2)D19
49 Ground pin for LVDSLVDS GND21 Ground pin for TTL InputGND
22 TTL Input (B3)D20
23 TTL Input (B4)D21
50 TTL Input (R6)D27
51 TTL Input (R0)D0
24 TTL Input (B5)D22
25 TTL Input (RSVD)D23
52 TTL Input (R1)D1
53 Ground pin for TTLGND
26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2
55 TTL Input (R3)D327 TTL Input (HSYNC)D24
56 TTL Input (R4)D428 TTL Input (VSYNC)D25
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN1,CN2,CN3,CN4,CN5,CN6)
<BACKLIGHT CONNECTOR DIAGRAM>
Note : 1. The high voltage power terminal is colored Pink/White
1
NOTES
High Voltage for Lamp
Description
HV
Symbol
1,2
Pin
U-LAMP
CN
1C
N2
CN
3C
N4
CN
5C
N6
The backlight interface connector is a model 20015HS-04L (CN1/CN2/CN3/CN4/CN5/CN6) manufactured by YeonHo Electronics. The mating connector part number are 20015WR-07L01(manufactured by Yeon Ho Electronics) or equivalent. The pin configuration for the connector is shown in the table below.
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LM240WU3Liquid Crystal Display
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3-3. Signal Timing SpecificationsThis is signal timing required at the input of the TMDS transmitter. All of the interface signal timing should besatisfied with the following specifications for it’s proper operation.
Table 5. TIMING TABLE (VESA COORDINATED VIDEO TIMING)
tHP
tWV+ tVBP+ tVFP453533-Vertical Blank
432tVFPVertical Front Porch
352625tVBPVertical Back Porch
120012001200tVVVertical Valid
tCLK
tHP
SYMBOL
888056tHBPHorizontal Back Porch
564824tHFPHorizontal Front Porch
tWH+ tHBP+ tHFP168160112-Horizontal Blank
Hz636057fVFrequency
666tWVWidth-Active
323232tWHWidth-ActivetCLK
208820802032tHPPeriodHsync
tHP124512351233tVPPeriod
Vsync
192019201920tHVHorizontal Valid
Data
Enable
MHz162154144fCLKFrequency
ns6.586.496.41tCLKPeriodDCLK
NoteUnitMaxTypMinITEM
Note: Hsync period and Hsync width-active should be even number times of tCLK. If the value is odd number times of tCLK, display control signal can be asynchronous. In order to operate this LCM a Hsync, Vsyn, and DE(data enable) signals should be used.
1. The performance of the electro-optical characteristics may be influenced by variance of the verticalrefresh rates.
2. Vsync and Hsync should be keep the above specification.3. Hsync Period, Hsync Width, and Horizontal Back Porch should be any times of of character
number(8).4. The polarity of Hsync, Vsync is not restricted.
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LM240WU3Liquid Crystal Display
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3-4. Signal Timing Waveforms
Dclk
Hsync, Vsync, DE, DATA
tCLK 0.5VDD
VALID
INVALIDINVALID
DE(Data Enable)
0.7VDD
0.3VDD
DATA
Data are latched at the falling edge of DCLK
Hsync
DE(Data Enable)
DE(Data Enable)
tWH
tHP
tHFPtHBP
tVP
tWV
tVBPtVFP
tHV
tVV
Vsync
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LM240WU3Liquid Crystal Display
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3-5. Color Data Reference
Table 6. COLOR DATA REFERENCE
The Brightness of each primary color(red,green,blue) is based on the 8-bit gray scale data input for the color;the higher the binary input, the brighter the color. The table below provides a reference for color versus data input.
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0GREEN (000) Dark
GREEN
0 0 0 0 0 0 0 00 0 0 0 0 0 0 10 0 0 0 0 0 0 0GREEN (001)
............
0 0 0 0 0 0 0 01 1 1 1 1 1 1 00 0 0 0 0 0 0 0GREEN (254)
0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0GREEN (255)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0RED (000) Dark
RED
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 1RED (001)
............
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 0RED (254)
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1RED (255)
0 0 0 0 0 0 0 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (001)
............
1 1 1 1 1 1 1 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (254)
1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0BLUE (255)
BLUE (000) Dark
White
Yellow
Magenta
Cyan
Blue (255)
Green (255)
Red (255)
Black 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0
BasicColor
0 0 0 0 0 0 0 00 0 0 0 0 0 0 01 1 1 1 1 1 1 1
0 0 0 0 0 0 0 01 1 1 1 1 1 1 10 0 0 0 0 0 0 0
1 1 1 1 1 1 1 10 0 0 0 0 0 0 00 0 0 0 0 0 0 0
1 1 1 1 1 1 1 11 1 1 1 1 1 1 10 0 0 0 0 0 0 0
1 1 1 1 1 1 1 10 0 0 0 0 0 0 01 1 1 1 1 1 1 1
0 0 0 0 0 0 0 01 1 1 1 1 1 1 11 1 1 1 1 1 1 1
1 1 1 1 1 1 1 11 1 1 1 1 1 1 11 1 1 1 1 1 1 1
BLUEMSB LSB
GREENMSB LSB
REDMSB LSB
B7 B6 B5 B4 B3 B2 B1 B0G7 G6 G5 G4 G3 G2 G1 G0R7 R6 R5 R4 R3 R2 R1 R0
0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 0 0 0
BLUE
Color
Input Color Data
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LM240WU3Liquid Crystal Display
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3-6. Power Sequence
Notes : 1. Please avoid floating state of interface signal at invalid period.2. When the interface signal is invalid, be sure to pull down the power supply for LCD VLCDto 0V.3. Lamp power must be turn on after power supply for LCD and interface signal are valid.
Interface Signal, Vi(Digital RGB signal, SCDT ,Vsync, Hsync, DE, Clock to PanelLinkTransmitter)
Power Supply for Backlight Inverter
Power Supply, VLCD
90%VLCD
90%
10% 10%
T10V
LAMP ONLAMP OFF
s-1T7
ms100-0.01T6
ms50-0.01T2
ms
ms--200T3
--200T4
ms50-0.01T5
ms10--T1
MaxTypMinUnits
ValuesParameter
Table 7. POWER SEQUENCE
10% 10%
T3
0V
T6
LAMP OFF
T4
T2 T5 T7
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LM240WU3Liquid Crystal Display
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3-6. VLCD Power Dip Condition
1) Dip condition
3.5V ≤VLCD< 4.5V , td≤20ms
2) VLCD< 3.5V
VLCD-dip conditions should also follow the Power On/Off conditions for supply voltage.
4.5
V
3.5
V
VLCD
td
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LM240WU3Liquid Crystal Display
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Optical characteristics are determined after the unit has been ‘ON’ for approximately 30 minutesin a dark environment at 25±2°C. The values specified are at an approximate distance 50cm from the LCDsurface at a viewing angle of Φ and θ equal to 0 ° and aperture 1 degree.FIG. 1 presents additional information concerning the measurement equipment and method.
FIG. 1 Optical Characteristic Measurement Equipment and Method
Table 9. OPTICAL CHARACTERISTICS (Ta=25 °C, VLCD=5.0V, fV=60Hz Dclk=154MHz, IBL=6.0mA)
4. Optical Specifications
50cm
Optical Stage(x,y) LCD ModulePritchard 880 or
equivalent
TrD
TrR
ms
92%Color Gamut
6-Gray Scale
-8575θdy axis, down (φ=270°)
Degree-7565θuy axis, up (φ=90°)
-8070θlx axis, left (φ=180°)
5Degree-8070θrx axis, right(φ=0°)
Viewing Angle (CR>10)
0.329Wy
0.313WxWHITE
0.060By
0.147BxBLUE
0.673Gy
0.202GxGREEN
0.323Ry
Typ+0.03
0.660Typ-0.03
RxREDColor Coordinates [CIE1931]
4sDecay Time
4ms105ms-TotalRise TimeResponse Time
3%75δ WHITELuminance Variation
2cd/m2-400300LWHSurface Luminance, white
1-1000600CRContrast Ratio
MaxTypMinNotesUnits
ValuesSymbolParameter
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LM240WU3Liquid Crystal Display
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Notes 1. Contrast Ratio(CR) is defined mathematically as :
It is measured at center point(Location P1)
2. Surface luminance(LWH)is luminance value at center point(P1) across the LCD surface 50cm from the surface with all pixels displaying white. For more information see FIG 2.
3. The variation in surface luminance , δ WHITE is defined as :
pixels black all with Luminance Surfacepixels white all with Luminance Surface
RatioContrast =
(%)100)L .... ,L ,(L Maximum)L .. ,L,Minimum(L
on9on2on1
on9on2on1 ×…
=WHITEδ
Measuring point for surface luminance & measuring point for luminance variation
FIG. 2 Measure Point for Luminance
1
H
A
B
V
Active AreaA : H/4 mmB : V/4 mm@ H,V : Active Area
H/10
V/10
2 3 4
7 8 9
5 6
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
FIG. 3 Response Time
4. The response time is defined as the following figure and shall be measured by switching the input signal for “black” and “white”.Response time is the time required for the display to transition from white to black (Rise Time,
TrR) and from black to white (Decay Time, TrD).
10090
100
%
Opticalresponse
white black white
TrR TrD
5. Viewing angle is the angle at which the contrast ratio is greater than 10 or 5. The angles aredetermined for the horizontal or x axis and the vertical or y axis with respect to the z axiswhich is normal to the LCD surface. For more information see FIG. 10 .
FIG. 10 Viewing angle
<Dimension of viewing angle range>
Normal Y E
φ
θ
φ = 0°, Right
φ = 180°, Left
φ = 270°, Down
φ = 90°, Up
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LM240WU3Liquid Crystal Display
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Table 10. Gray Scale Specification
6. Gray scale specificationGamma Value is approximately 2.2. For more information see Table 10.
0.140
100
84.03
61.30
40.03
23.58
12.30
4.98
1.23
255
223
191
159
127
95
63
31
Relative Luminance [%] (Typ.)Gray Level
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LM240WU3Liquid Crystal Display
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5. Mechanical Characteristics
The contents provide general mechanical characteristics. In addition the figures in the next page are detailed mechanical drawing of the LCD.
324.0 mmVertical
Hard coating(3H)Glare treatment of the front polarizerSurface Treatment
Typ : 2580g , Max : 2700gWeight
328.0 mmVertical
352.0 mmVertical
35.8 mmDepth
518.4 mmHorizontalActive Display Area
522.4 mmHorizontalBezel Area
546.4 mmHorizontal
Outline Dimension
Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.
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LM240WU3Liquid Crystal Display
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<FRONT VIEW>
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LM240WU3Liquid Crystal Display
Ver. 1.1 May. 18. 2007
<REAR VIEW>
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6. Reliability
Environment test condition
Wave form : randomVibration level : 1.0G RMSBandwidth : 10-500HzDuration : X,Y,Z, 10 min
One time each direction
Vibration test(non-operating)5
0 - 10,000 feet(3048m)0 - 40,000 feet(12,192m)
Altitudeoperatingstorage / shipment
7
Shock level : 100GWaveform : half sine wave, 2msDirection :±X, ±Y, ±Z
One time each direction
Shock test(non-operating)6
Ta= 0°C 240hLow temperature operation test4
Ta= 50°C 50%RH 240hHigh temperature operation test3
Ta= -20°C 240hLow temperature storage test2
Ta= 60°C 240hHigh temperature storage test1
No Test Item Condition
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7. International Standards
7-1. Safety
a) UL 60950-1:2003, First Edition, Underwriters Laboratories, Inc.,Standard for Safety of Information Technology Equipment.b) CAN/CSA C22.2, No. 60950-1-03 1st Ed. April 1, 2003, Canadian Standards Association,Standard for Safety of Information Technology Equipment.c) EN 60950-1:2001, First Edition, European Committee for Electro technical Standardization(CENELEC)European Standard for Safety of Information Technology Equipment. d) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27 January 2003
7-2. EMC
a) ANSI C63.4 “Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electrical Equipment in the Range of 9kHZ to 40GHz. “American National Standards Institute(ANSI),1992b) C.I.S.P.R. “Limits and Methods of Measurement of Radio Interface Characteristics of InformationTechnology Equipment.“ International Special Committee on Radio Interference.c) EN 55022 “Limits and Methods of Measurement of Radio Interface Characteristics of InformationTechnology Equipment.“ European Committee for Electro technical Standardization.(CENELEC), 1998( Including A1: 2000 )
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LM240WU3Liquid Crystal Display
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8-2. Packing Form
a) Package quantity in one box : 5EA
b) Box Size : 436 X 346 X 628
8. Packing
8-1. Designation of Lot Marka) Lot Mark
A B C D E F G H I J K L M
A,B,C : SIZE(INCH) D : YEAR E : MONTH F ~ M : SERIAL NO.
Note1. YEAR
2. MONTH
Mark
Year
0
2010
6
2006
7
2007
8
2008
9
2009
4
2004
5
2005
321
200320022001
B
Nov
Mark
Month
A
Oct
6
Jun
7
Jul
8
Aug
9
Sep
4
Apr
5
May
C321
DecMarFebJan
b) Location of Lot Mark
Serial No. is printed on the label. The label is attached to the backside of the LCD module.This is subject to change without prior notice.
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LM240WU3Liquid Crystal Display
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9. PRECAUTIONS
Please pay attention to the followings when you use this TFT LCD module.
9-1. MOUNTING PRECAUTIONS
(1) You must mount a module using holes arranged in four corners or four sides.(2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is not applied to the
module. And the case on which a module is mounted should have sufficient strength so that external force is not transmitted directly to the module.
(3) Please attach the surface transparent protective plate to the surface in order to protect the polarizer.Transparent protective plate should have sufficient strength in order to the resist external force.
(4) You should adopt radiation structure to satisfy the temperature specification.(5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former
generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction.
(6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HBpencil lead. And please do not rub with dust clothes with chemical treatment.Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are detrimentalto the polarizer.)
(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. Normal-hexane is recommended for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause chemical damage to the polarizer.
(8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.
9-2. OPERATING PRECAUTIONS
(1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage : V=±200mV(Over and under shoot voltage)
(2) Response time depends on the temperature.(In lower temperature, it becomes longer.)(3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)
And in lower temperature, response time(required time that brightness is stable after turned on) becomeslonger.
(4) Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or electrical contacted parts. And after fading condensation, smear or spot will occur.
(5) When fixed patterns are displayed for a long time, remnant image is likely to occur.(6) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be
done by system manufacturers. Grounding and shielding methods may be important to minimized theinterference.
(7) Please do not give any mechanical and/or acoustical impact to LCM. Otherwise, LCM can’t be operated its full characteristics perfectly.
(8) A screw which is fastened up the steels should be a machine screw. (if not, it causes metallic foreign material and deal LCM a fatal blow)
(9) Please do not set LCD on its edge.
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LM240WU3Liquid Crystal Display
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Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly.
9-3. ELECTROSTATIC DISCHARGE CONTROL
Strong light exposure causes degradation of polarizer and color filter.
9-4. PRECAUTIONS FOR STRONG LIGHT EXPOSURE
When storing modules as spares for a long time, the following precautions are necessary.
(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature between 5°C and 35°C at normal humidity.
(2) The polarizer surface should not come in contact with any other object.It is recommended that they be stored in the container in which they were shipped.
9-5. STORAGE
9-6. HANDLING PRECAUTIONS FOR PROTECTION FILM
(1) The protection film is attached to the bezel with a small masking tape.When the protection film is peeled off, static electricity is generated between the film and polarizer.This should be peeled off slowly and carefully by people who are electrically grounded and with well ion-blown equipment or in such a condition, etc.
(2) When the module with protection film attached is stored for a long time, sometimes there remains a very small amount of glue still on the bezel after the protection film is peeled off.
(3) You can remove the glue easily. When the glue remains on the bezel surface or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-hexane.
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